Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) : special report on the deposit and use of raised funds in 2021

Securities code: 300390 securities abbreviation: Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) Announcement No.: 2022-019 Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390)

Special report on the deposit and use of raised funds in 2021

The company and all members of the board of directors guarantee that the information disclosed is true, accurate and complete without false records, misleading statements or major omissions.

In accordance with the guidelines for the standardized operation of companies listed on the gem of Shenzhen Stock Exchange, the Listing Rules of shares on the gem of Shenzhen Stock Exchange, the guidelines for the supervision of listed companies No. 2 – regulatory requirements for the management and use of raised funds of listed companies and other relevant provisions, The special report on the deposit and use of raised funds in 2021 of Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) (hereinafter referred to as “the company” or ” Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) “) is as follows:

1、 Basic information of raised funds

1. Actual amount of funds raised and time of funds in place

With the approval of zjxk [2021] No. 793 document of China Securities Regulatory Commission, the company publicly issued 31604500 ordinary shares (A shares) to the public on April 12, 2021, with an issue price of 24.68 yuan per share and a total amount of 780 million yuan of funds to be raised. After deducting the issuance expenses of 14.9528 million yuan according to relevant regulations, The actual amount of funds raised was 765047200 yuan. The raised funds have been received in April 2021. The receipt of the above funds has been verified by the capital verification report (Rong Cheng Yan Zi [2021] No. 230z0069) of Rongcheng certified public accountants. The company has adopted special account storage management for the raised funds.

2. Use and balance of raised funds

In 2021, the use of the company’s raised funds is as follows: (1) before the above raised funds are in place, as of April 12, 2021, the company has invested 61.9663 million yuan in the raised funds projects with self raised funds. After the raised funds are in place, the company will replace 61.9663 million yuan of self raised funds invested in the raised funds investment projects in advance with the raised funds; (2) 553.9359 million yuan was directly invested in the project of raising funds. In 2021, the company used a total of 615902200 yuan of raised funds and temporarily supplemented 130 million yuan of working capital. After deducting the accumulated amount of used raised funds and supplemented working capital, the balance of raised funds was 19.145 million yuan and the interest income of the special account for raised funds was 6.6871 million yuan, The total balance of the special account for raised funds on December 31, 2021 was 25.8321 million yuan.

2、 Deposit and management of raised funds

In accordance with the provisions of relevant laws and regulations and following the principles of standardization, safety, efficiency and transparency, the company has formulated the measures for the management of raised funds, which has made clear provisions on the storage, approval, use, management and supervision of raised funds, so as to ensure the standardized use of raised funds in terms of system.

In April 2021, the company and the sponsor Tianfeng Securities Co.Ltd(601162) signed the supervision agreement on raised funds with China Merchants Bank Co.Ltd(600036) Suzhou Industrial Park sub branch, Agricultural Bank Of China Limited(601288) Kunshan Zhengyi sub branch and Shanghai Pudong Development Bank Co.Ltd(600000) Suzhou branch business department respectively, and opened a special account for raised funds (Account No.: 512904054810102) in China Merchants Bank Co.Ltd(600036) Suzhou Industrial Park sub branch Agricultural Bank Of China Limited(601288) Kunshan Zhengyi sub branch opens a special account for raised funds (Account No.: 105303010400022213) and Shanghai Pudong Development Bank Co.Ltd(600000) Suzhou branch business department opens a special account for raised funds (Account No.: 8901007880130005666). There is no significant difference between the company’s raised funds supervision agreement and the model raised funds supervision agreement of Shenzhen Stock Exchange, and there is no problem in the performance of the raised funds supervision agreement.

In April 2021, the company, its subsidiary Yibin Tianyi lithium Technology Innovation Co., Ltd. and the sponsor Tianfeng Securities Co., Ltd. signed the supervision agreement on raised funds with China Merchants Bank Co.Ltd(600036) Suzhou Branch and opened a special account for raised funds (Account No.: 512908463410905) in Suzhou Branch of China Merchants Bank Co., Ltd. There is no significant difference between the raised funds supervision agreement and the model raised funds supervision agreement of Shenzhen Stock Exchange, and there is no problem in the performance of the raised funds supervision agreement.

As of December 31, 2021, the storage of raised funds is as follows:

Monetary unit: RMB 10000

Bank name bank account balance

China Merchants Bank Co.Ltd(600036) Suzhou Industrial Park sub branch 512904054810102 0.56

Agricultural Bank Of China Limited(601288) Kunshan Zhengyi sub branch 1053030104002213 16.07

Shanghai Pudong Development Bank Co.Ltd(600000) Suzhou Branch Business Department 8901007880130005666 0.00

China Merchants Bank Co.Ltd(600036) Suzhou Industrial Park sub branch 512908463410905 2566.58

Total — 2583.21

3、 Actual use of raised funds in 2021

As of December 31, 2021, the raised funds actually invested by the company in relevant projects totaled RMB 615902200. See attached table 1 for the investment and benefits of each project.

4、 Change the use of funds for investment projects with raised funds

As of December 31, 2021, the company has not changed the investment projects of raised funds.

5、 Concluding comments on the special verification report of the recommendation institution

After verification, the sponsor believes that the deposit and use of the raised funds in Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) 2021 comply with the provisions of regulations and documents such as the Listing Rules of GEM stocks of Shenzhen Stock Exchange, the guidelines for the standardized operation of GEM listed companies of Shenzhen Stock Exchange, and the regulatory guidelines for listed companies No. 2 – regulatory requirements for the management and use of raised funds of listed companies, The raised funds have been stored and used in a special account. The specific use of the raised funds is consistent with the disclosed situation. There is no disguised change in the investment direction of the raised funds and damage to the interests of shareholders, and there are no other cases of illegal use of the raised funds.

Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) board of directors February 7, 2022

Schedule 1:

Comparison table of use of raised funds in 2021

As of December 31, 2021

Prepared by: Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) amount unit: RMB 10000

The total amount of raised funds is 76504.72, and the total amount of raised funds invested in this year is 61590.22

The total amount of raised funds with changed purposes during the reporting period –

Accumulated total amount of raised funds with changed purposes – accumulated total amount of raised funds invested 61590.22

Proportion of total raised funds with accumulative change of purpose –

Whether the raised funds have been changed and invested in the current year after adjustment. By the end of the period, the invested projects have reached the expected level. By the end of the period, whether the project feasibility has been achieved in the current year. Whether there are committed investment projects and over raised projects (including the total amount of committed investment) (1) the cumulative investment degree (%) = the benefits of the fixed availability. The expected benefits have changed significantly

Total amount of partial change of capital investment (2) (2) / (1) status date

Committed investment projects

Battery grade lithium hydroxide phase II no 76504.72 76504.72 61590.22 61590.22 80.51% not applicable in March 2022 not applicable no

The construction project fails to reach the planned progress or the expected

Circumstances and reasons for accrual –

(by specific project)

Major changes in project feasibility –

Description of changes

Amount and use of over raised funds –

Transportation and use progress

The project invested with raised funds is actually –

Change of construction site

The project invested with raised funds is actually –

Adjustment of construction method

The company first held the 12th meeting of the 5th board of directors and the 10th meeting of the 5th board of supervisors on April 20, 2021, and deliberated and adopted the proposal on using the raised funds to replace the pre investment investment period investment and replacement conditions into the self raised funds and paid issuance expenses of the raised investment projects, It is agreed that the company will use the raised funds to replace the self raised funds of 61966308.93 yuan invested in the raised projects in advance.

The company held the 12th meeting of the 5th board of directors and the 10th meeting of the 5th board of supervisors on April 20, 2021, and held the 2020 shareholders’ investment meeting with idle raised funds on May 12, 2021. The proposal on cash management with idle own funds and temporarily idle raised funds was reviewed and approved, and the company agreed to ensure the safety of funds On the premise of ensuring that the normal production and operation will not be affected by the operation of legal compliance and product conditions, the idle self owned funds of no more than 250 million yuan and the idle raised funds of no more than 650 million yuan will be used for cash management through financial institutions to maintain and increase the value of funds on the basis of ensuring safety and liquidity. Within the above limit, the company, its wholly-owned subsidiaries and holding subsidiaries can be used together on a rolling basis. The service life is valid within one year from the date of deliberation and approval by the general meeting of shareholders, and the investment life of a single financial product shall not exceed one year.

In order to improve the use efficiency of the raised funds, the company and its subsidiary Yibin Tianyi lithium industry science and Innovation Co., Ltd. plan to use the idle raised funds of no more than 150 million yuan (including this amount) to temporarily supplement the working capital with the idle raised funds for a period of no more than 12 months from the date of approval by the board of directors, When the project is due or needs to be invested with raised funds, it shall be immediately returned to the special account for raised funds of the company. The 13th meeting of the board of supervisors held on July 30, 2021 considered and adopted the proposal on the supplement of working capital of the company.

Fund raising during project implementation

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